protected bool DrawGraph()
{
List <Branch> branchList = new List <Branch>();
ArrayList nodes = new ArrayList();
ArrayList edges = new ArrayList();
if (!bd.SelectByWarehouseID(wid, ref branchList))
{
//error
return(false);
}
//find master
int masterBranchID = -1;
int masterStart = -1;
foreach (Branch b in branchList)
{
if (b.branch_name == "master")
{
masterBranchID = b.branch_id;
masterStart = b.start_id;
break;
}
}
if (masterBranchID == -1)
{
//error
return(false);
}
int curX = 0;
int curY = 0;
int edgeID = 0;
//draw master
Version v = new Version();
v.version_id = masterStart;
bool isFirst = true;
while (v.version_id != 0)
{
if (!vd.SelectByID(ref v))
{
break;
}
Node n = new Node();
n.vid = v.version_id;
n.lable = "master:" + n.vid.ToString();
n.x = curX;
n.y = curY;
curX += 10;
nodes.Add(n);
if (!isFirst)
{
Edge e = new Edge();
e.src = v.prev_id;
e.dest = v.version_id;
e.edgeId = edgeID;
edgeID++;
edges.Add(e);
}
else
{
isFirst = false;
}
v.version_id = v.next_id;
}
//draw branches
foreach (Branch b in branchList)
{
if (b.branch_id == masterBranchID)
{
continue;
}
for (int i = 0; i < nodes.Count; ++i)
{
}
curX = 0;
curY += 10;
isFirst = true;
v.version_id = b.start_id;
while (v.version_id != 0)
{
if (!vd.SelectByID(ref v))
{
break;
}
if (isFirst)
{
int i = 0;
for (; i < nodes.Count; ++i)
{
if (v.prev_id == ((Node)nodes[i]).vid)
{
curX = 10 * i;
}
}
isFirst = false;
}
Node n = new Node();
n.vid = v.version_id;
n.lable = b.branch_name + ":" + n.vid.ToString();
n.x = curX;
n.y = curY;
curX += 10;
nodes.Add(n);
Edge e = new Edge();
e.src = v.prev_id;
e.dest = v.version_id;
e.edgeId = edgeID;
edgeID++;
edges.Add(e);
v.version_id = v.next_id;
}
}
//js
string js = "<script>var g = {nodes: [],edges: []};";
foreach (Node n in nodes)
{
js += "g.nodes.push({id:'" + n.vid.ToString() + "',label:'" + n.lable + "',x:" + n.x.ToString() + ",y:" + n.y.ToString() + ",size:10,color:'#666'});";
}
foreach (Edge e in edges)
{
js += "g.edges.push({id:'" + e.edgeId.ToString() + "',source:'" + e.src.ToString() + "',target:'" + e.dest.ToString() + "',size:10,color: '#ccc',hover_color:'#000'}); ";
}
js += "s = new sigma({graph: g,renderer:{container: document.getElementById('graph-container'),type: 'canvas'},settings:{doubleClickEnabled: false,minEdgeSize: 0.5,maxEdgeSize: 4,enableEdgeHovering: true,edgeHoverColor: 'edge',defaultEdgeHoverColor: '#000',edgeHoverSizeRatio: 1,edgeHoverExtremities: true,}});";
js += "s.bind('clickNode doubleClickNode rightClickNode', function (e) {var str = '' + e.data.node.label;var arr = str.split(':', 2);document.getElementById('selectedBranch').innerText = '选中分支:' + arr[0];document.getElementById('selectedVersion').innerText= arr[1];document.getElementById('hidValue').value = arr[1];});</script>";
graph_script.InnerHtml = js;
return(true);
}